#pixray + bg noise + alpha loss seem to be good ingredients for sprite generation cat - car -compass tree - octopus - rocket

Nov 3, 2021 · 7:47 AM UTC

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I haven’t experimented with balancing the loss, it kinda worked well out of the box. Although pixel smoothing did help to get rid of some noisy pixels.
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As an improvement, I was thinking of weighing the alpha channel with a Gaussian that would penalise opaque pixels at the border more than at the center.
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Replying to @rvorias
Is this based on distill.pub/2018/differentia… ? That would be the first time I see someone using this technique outside of feature viz, if so!)

Differentiable Image Parameterizations

A powerful, under-explored tool for neural network visualizations and art.

distill.pub
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Yes! I found the exact same link in a thread a while ago, it was a breeze to implement in @dribnet’s pixray!
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Replying to @rvorias
mind sharing the specific settings you used?
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just dropped a notebook that has all the settings!
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more replies
Replying to @rvorias
Hello! Could you dm me ? 😄
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Replying to @rvorias
It's almost at the point where we can generate graphics for games 😁
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Replying to @rvorias
Love the technique! Definitely try this!
Replying to @rvorias
Can you try combos next! I want to see the "cat octopus"
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